DC rotary electric machine of permanent magnet field type

Electrical generator or motor structure – Dynamoelectric – Rotary

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Details

310186, 310190, H02K 2304, H02K 2128, H02K 110

Patent

active

050897373

ABSTRACT:
A novel DC rotary electric machine of permanent magnet field type is disclosed, in which a plurality of permanent field magnets having an auxiliary pole of magnetic material are arranged alternately with a plurality of field magnets including only a magnetic material along the peripheral direction. The field magnets with the auxiliary poles are arranged adjacently with the field magnets of magnetic material with through bolts extending therebetween.

REFERENCES:
patent: 3567979 (1971-03-01), Jaffe
patent: 3889141 (1975-06-01), Merriam
patent: 4217513 (1980-08-01), Kohzai et al.
patent: 4296343 (1981-10-01), McMillen
patent: 4469969 (1984-09-01), Tomite
patent: 4516046 (1985-05-01), Mercier
patent: 4587449 (1986-05-01), West
patent: 4794291 (1988-12-01), Abukawa et al.
patent: 4797592 (1989-01-01), England
patent: 4823037 (1989-04-01), Abukawa et al.

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